DocumentCode
1230982
Title
CMOS ring oscillators as teaching tools
Author
Moore, D.F. ; Holburn, D.M. ; Nockolds, C.E. ; Rosolen, G.C.
Author_Institution
Eng. Dept., Cambridge Univ., UK
Volume
139
Issue
2
fYear
1992
fDate
4/1/1992 12:00:00 AM
Firstpage
199
Lastpage
204
Abstract
A set of full custom CMOS chips has been designed in undergraduate projects in each of the past five years (1987 to 1992). Experience of several generations of ring oscillators has shown their usefulness both as teaching tools in set experiments and as projects. Using a ring containing 113 elements, high-performance gates with subnanosecond delays can be measured using teaching laboratory equipment and the results can be compared with SPICE simulations of the devices. Students also use a scanning electron microscope on the CMOS ring chips which contain stripped-own logic gates to allow examination of the device construction and technology
Keywords
CMOS integrated circuits; integrated circuit technology; integrated logic circuits; oscillators; student laboratory apparatus; CMOS; CMOS ring chips; SPICE simulations; full custom CMOS chips; high-performance gates; laboratory equipment; projects; ring oscillators; scanning electron microscope; set experiments; stripped-own logic gates; subnanosecond delays; teaching tools; undergraduate projects;
fLanguage
English
Journal_Title
Circuits, Devices and Systems, IEE Proceedings G
Publisher
iet
ISSN
0956-3768
Type
jour
Filename
139173
Link To Document